题目内容
若点的绝对运动可以分解为牵连运动与相对运动，则质点的动能等于相对运动动能与牵连运动动能的和。
查看答案
搜索结果不匹配？点我反馈
更多问题
质点的动能越大，表示作用于质点上的力所作的功越大。
当轮子在地面上作纯滚动时，滑动摩擦力作负功。
Fill in the blanks with the following words.exemplaryanonymousprimemalnourishedhumanitariangenerouscompassionateconscientiousgracious1. Sibyl was the most _________, helpful, and generous person to work with.2. A _____________ teacher may feel inclined to take work home.3. She is always ______________ to the kids.4. I allowed him to go home on ________________ grounds.5. A company with an ____________ record on environmental issues should be encouraged by government.6. According to one employee, who wishes to remain _____________, the company engaged in illegal activities.7. The hotel is in a_________ location overlooking the valley.8. These ______________ children have not enough food to eat.9. _____________ aid is being sent to the refugees.
Fill in the blanks with the following expressions . Change the form when necessary. Each expression can be used only once.embark onturn downlive onshare inlead by example1. She retired from the company where she has _____________ and been a source of encouragement to others.2. All people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and ___________ the common task of seeking to achieve mankind’s full potential.3. Crucially, most of the students are full-time workers who would not otherwise have been able to ____________ sustained further study.4. I would love to have kids. I would ___________ an Oscar to see my boy at a baseball game or my girl at a song recital.5. She hoped Vincent would understand that her life had not been empty, because her love would ________.
微信支付 
支付宝支付